1924] Flora of the Boston District, —XLV 87 
E. ramosus ( Walt.) B SP., var. septentrionalis Fernald & Wiegand. 
Ruopona xv. 59-61, 1913. Cambridge (F. S. Collins, June 23, 1914); 
near Fresh Pond, Cambridge (W. Deane, June 25, 1882); Concord 
(Horace Mann, June, 1862). 
EUPATORIUM. 
E. aromaticum L. Dry open woods, rare; apparently frequent in 
Stony Brook and Blue Hill Reservations. 
E. falcatum Michx. Ruopora xxii. 57-70, 157-165, 1920. Rich 
woods, rare; Ipswich, Revere, Middlesex Fells, W. Roxbury, Stony 
Brook Reservation, Readville, Blue Hill Reservation, Holliston, 
Marshfield. 
E. perfoliatum L. Grassy swamps, common throughout. 
E. perfoliatum L., forma purpureum Britton. Bull. Torr. Bot. 
Club xvii. 129, 1890. Three or four plants, near shores of Merrimac 
River a few miles below Haverhill (Miss M. Blatchford, Sept. 29, 
1894); sandy margin of Winter Pond, Winchester (C. A. Weatherby & 
M. L. Fernald, Sept. 19, 1908.) 
E. perfoliatum L., var. truncatum Gray. Beaver Brook, Dracut 
(C. W. Swan, Sept. 7, 1884); shore of Sandy Pond, Lincoln (F. W. 
Grigg, Sept. 17, 1913); by Baddacook Pond, Groton (J. P. Bill 
& F. W. Grigg, Sept. 2, 1921); S. Framingham (Dr. E. L. Stur- 
tevant, Sept. 11, 1890). Specimens in herb. N. E. Botanical Club. 
E. pubescens Muhl. Open woods and sandy soil, frequent, especi- 
ally southward. 
E. purpureum L. Ruopora xxii. 57-70, 157-165, 1920. Open 
woods and swamps, rare; Concord, Hopkinton, Stony Brook Reser- 
vation, Milton, Norfolk, Randolph. 
E. rotundifolium L. Dry sandy soil. Georgetown (Mrs. C. N.S. 
Horner, no date); Saugus (C. E. Faxon, Aug. 18, 1879; H. A. Purdie, 
Oct. 7, 1902). 
E. sessilifolium L. Dry rocky soil, occasional; rare in Essex and 
Plymouth Counties. 
E. urticaefolium Reichard. Rich moist soil, usually in shade; 
occasional north and west of Boston, not reported south. 
E. verbenaefolium Michx. Low ground, especially in mucky soil; 
rare in Essex and Middlesex Counties, frequent southward. 
E. verticillatum Lam. MRuopora xxii. 57-70, 157-165, 1920. 
Swamps, meadows and wet woods, very common throughout. 
